How many planks of dimensions 5m 25cm 10cm can be stored in a pit which is 20m long 6m wide and 80cm...

Question

How many planks of dimensions 5m 25cm 10cm can be stored in a pit which is 20m long 6m wide and 80cm deep

Accepted Answer

ANSWER The dimensions of the plank are Length 5m 500cm Breadth 25cm Height 10cm We know that Volume of the plank l b h By substituting the values Volume of the plank 500 25 10 So we get Volume of the plank 125000 cm3 The dimensions of the pit are Length 20m 2000 cm Breadth 6m 600 cm Height 80cm We know that Volume of one pit l b h By substituting the values Volume of one pit 2000 600 80 So we get Volume of one pit 96000000cm3 So the number of planks that can be stored Volume of one pit Volume of plank By substituting the values Number of planks that can be stored 96000000125000 So we get Number of planks that can be stored 768 Therefore the number of planks that can be stored is 768

RS Aggarwal Solutions Class 9 Mathematics Solutions for Volume And Surface Area Of Solids Exercise 15A in Chapter 15 - Volume And Surface Area Of Solids